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Climate in Bluff City · NOAA 1991–2020 normals

Bluff City’s winters are milder and less snowy than most of the U.S.

A typical July afternoon reaches 87°, a January night drops to 27°, and about 9 inches of snow falls in a normal winter.

Milder January nights than 68% of U.S. towns#174Mildest winters  of 185 in TN
Less snow than 66% of U.S. towns#171Least snow  of 185 in TN
All TN rankings →

A year in Bluff City at a glance

Each month’s typical high and low, and what it brings.

Jan47°27° 3" snow
Feb52°30° 3" snow
Mar60°36°
Apr71°43° Last frost ~Apr 16
May78°52°
Jun84°60° 4 days 90°+
Jul87°64° 8 days 90°+Wettest
Aug86°64° 7 days 90°+
Sep81°57° 3 days 90°+
Oct71°45° First frost ~Oct 24
Nov now60°35°
Dec50°30°

What stands out about Bluff City’s climate

Compared with towns across the U.S., with Bluff City’s place in Tennessee beside it.

A normal year

What a year in Bluff City feels like

Typical highs and lows by season and by month, from NOAA’s 30-year normals.

Winter
50° / 29°
3 days with 1"+ of snow
Spring
70° / 44°
Last frost around Apr 16
Summer
86° / 63°
23 days reach 90°
Fall
71° / 45°
First frost around Oct 24
Best months to be outsideAprMaySepOctHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 190 frost-free days a year

In half of years the last 32° night comes by April 16 and the first by October 24. Frost and day counts come from NOAA’s station at Bristol Tri City Airport, 7 miles from the town’s center, at about the same height.

94
nights at or below 32° in a normal year
146th fewest of 185 in Tennessee
Fewer freezing nights than 63% of U.S. towns
<1
nights at or below 0°
120th fewest of 185 in Tennessee
Fewer nights at or below 0° than 63% of U.S. towns
23
days that reach 90°
152nd most of 185 in Tennessee
More 90° days than 55% of U.S. towns
<1
days that reach 100°
6th fewest of 185 in Tennessee
Fewer 100° days than 68% of U.S. towns
7bUSDA zone
Plant hardiness zone 7b

The 2023 USDA map puts Bluff City’s center in zone 7b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 5°. Plant labels use the zone; frost dates tell you when to plant.

Freezing nights by month

Average nights at or below 32°

22
JFMAMJJASOND

90° days by month

Average days at 90° or more

8.4
JFMAMJJASOND
Rain & snow

About 9 inches of snow a winter

Snow, measured at Bristol Tri City Airport, is heaviest from January through February, about 3 inches a month. Precipitation (rain plus melted snow) adds up to 46 inches a year; July is the wettest month and September the driest. Rain or snow falls on about 138 days a year.

46"
Rain + melted snow a year
178th wettest of 185 in Tennessee
Wetter than 62% of U.S. towns
9.2"
Snow in a normal winter
171st least snowy of 185 in Tennessee
Less snow than 66% of U.S. towns
7 days
With 1"+ of snow on the ground
161st fewest of 174 in Tennessee
Fewer days with snow on the ground than 63% of U.S. towns

Rain + melted snow by month

Inches of water

4.8"
JFMAMJJASOND

Snowfall by month

Inches of snow

3"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Bluff City

79% of the work is heating. Months averaging under 55° run from November through March.

4,150 heating degree daysLess heating than 70% of U.S. towns
1,105 cooling degree daysMore cooling than 60% of U.S. towns

Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Bristol Tri City Airport.

Living here

Living with Bluff City’s climate

What the numbers mean for a garden, a free afternoon and a bad-weather day.

The garden window

190 frost-free days in zone 7b. The last frost comes by Apr 16 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 24.

Get outside

Months with highs of 62–84° and lows of 40° or more: April, May, September and October. 0.9 miles of trails are waiting.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Bluff City from natural hazards, river flooding is the largest share (73%); heat waves, cold waves, winter storms and ice storms together are 4%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door

Bluff City and its neighbors

Every town next door is within a degree of Bluff City in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.

Walnut Hill: January low 27°, July high 86°Blountville: January low 27°, July high 86°Bristol: January low 26°, July high 85°Bristol: January low 27°, July high 86°Bluff City: January low 27°, July high 87°Bluff CityBristol
ColderMilder26° to 27°
Bristol26.5° about the same
Bluff City26.8°

Climates most like Bluff City’s, farther away

TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.

TownJan. lowJuly highPrecip.Snow
Bluff City, TN27°87°46"9.2"
Bedford, VA27°87°46"12"
Berlin, MD29°87°46"8.0"
Bridgeton, NJ25°87°46"12"
Millsboro, DE29°87°46"11"

Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.

Then and now

Warmer than it used to be

The last 30 years in Bluff City averaged 1.0° warmer than the 1900s. The biggest change is in December (+2.0°).

+1.0°1991–2020 vs. 1901–2000

A smaller shift than in 77% of U.S. towns.

Winter+1.4°now 39°, was 38°
Spring+1.1°now 57°, was 55°
Summer+0.7°now 74°, was 74°
Fall+0.8°now 58°, was 57°

Change by month

JanFebMarAprMayJunJulAugSepOctNovDec

The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.

Compared with other towns

How Bluff City compares

Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Bluff City’s place among Tennessee’s.

Summer heat87° July high
Hotter July afternoons than 62% of U.S. towns154th hottest of 185 in Tennessee
Winter cold27° January low
Milder January nights than 68% of U.S. towns174th mildest of 185 in Tennessee
Precipitation46" a year
Wetter than 62% of U.S. towns178th wettest of 185 in Tennessee
Snow9.2" a winter
Less snow than 66% of U.S. towns171st least snowy of 185 in Tennessee
Hot days23 days at 90°+
More 90° days than 55% of U.S. towns152nd most of 185 in Tennessee
Freezing nights94 a year
Fewer freezing nights than 63% of U.S. towns146th fewest of 185 in Tennessee
Growing season190 frost-free days
A longer frost-free season than 57% of U.S. towns159th longest of 185 in Tennessee
Month by month

Bluff City weather by month

Highs, lows and precipitation from NOAA’s grid at Bluff City’s center; snow, wet days and snow on the ground from Bristol Tri City Airport. 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January47°27°3.7"3.0"13329° – 45°
February52°30°3.7"3.0"13230° – 50°
March60°36°4.1"1.1"14140° – 58°
April71°43°4.0"0.1"12052° – 62°
May78°52°4.3"0.0"13058° – 69°
June84°60°4.1"0.0"12069° – 76°
July87°64°4.8"0.0"13071° – 79°
August86°64°3.9"0.0"11071° – 80°
September81°57°2.9"0.0"8065° – 75°
October71°45°2.9"0.0"9054° – 63°
November60°35°3.2"0.3"10041° – 52°
December50°30°3.9"1.7"12130° – 51°
Year69°45°45.5"9.2"1387
Year to year

How much a month can swing

A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 30° to 51°. June is the most reliable, staying within 7°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Bluff City’s numbers come from

Normals are 30-year averages, not a forecast. How TownRatings reads climate data →

  • Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Bluff City’s center.
  • Snow: Bristol Tri City Airport.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Bristol Tri City Airport, 7 miles from the town’s center, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
  • Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
  • Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
  • Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).

Common questions about Bluff City’s climate

What is the weather like in Bluff City?

A typical July afternoon reaches 87°, a January night drops to 27°, and about 9 inches of snow falls in a normal winter. Milder January nights than 68% of U.S. towns; hotter July afternoons than 62% of U.S. towns.

How cold does it get in Bluff City in winter?

January nights average 27°. About 94 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 29°.

How much snow does Bluff City get?

About 9.2 inches in a normal winter at Bristol Tri City Airport, heaviest from January through February, about 3 inches a month, with snow on the ground about 7 days a year.

How hot does it get in Bluff City?

July, with a typical high of 87° and a low of 64°. About 23 days a year reach 90° (Bristol Tri City Airport).

When is the first and last frost in Bluff City?

In half of years the last spring frost (32°) comes by April 16 and the first fall frost by October 24, about 190 frost-free days, at Bristol Tri City Airport.

What growing zone is Bluff City in?

Zone 7b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 5°.

What is the best time of year to visit Bluff City?

By one simple rule (highs of 62–84° and lows of 40° or more), April, May, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.

Is Bluff City getting warmer?

Yes: 1991–2020 averaged 1.0° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 77% of U.S. towns.

Neighbors talk weather

Gardens, snow, and the best days of the year in Bluff City.

Town Square →
Ask your neighbors

Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.